flake update and add screenshotter

modules/wm/niri/binds/default.kdl

@@ -259,7 +259,8 @@ binds {
     // Mod+Space       { switch-layout "next"; }
     // Mod+Shift+Space { switch-layout "prev"; }
 
-    Print { screenshot; }
+    //Print { screenshot; }
+    Mod+Shift+P { spawn-sh "set -e; grim -t ppm -g \"$(slurp -o -d -F monospace)\" - | satty --filename - --copy-command=wl-copy --annotation-size-factor 2.0 --output-filename=\"$(xdg-user-dir PICTURES)/Screenshots/Screenshot from %Y-%m-%d %H:%M:%S.png\" --actions-on-enter=\"save-to-clipboard,exit\" --brush-smooth-history-size=5 --disable-notifications"; }
     Ctrl+Print { screenshot-screen; }
     Alt+Print { screenshot-window; }
 
@@ -279,5 +280,5 @@ binds {
 
     // Powers off the monitors. To turn them back on, do any input like
     // moving the mouse or pressing any other key.
-    Mod+Shift+P { power-off-monitors; }
+    //Mod+Shift+P { power-off-monitors; }
 }